Evaluating Q-Collar Effects on Brain Blood Flow Control During Exercise

ConditionHealthy
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-30
SponsorSpaulding Rehabilitation Hospital

About this trial

The goal of this clinical trial is to learn how the FDA-cleared Q-Collar device affects brain blood flow regulation during rest and exercise in healthy adults. The main questions this study aims to answer are:

1. How does the Q-Collar affect brain blood flow when there are quick changes in blood pressure, like when standing up quickly, or when breathing against resistance? 2. How does the Q-Collar affect brain blood flow during exercise?

Researchers will compare sessions where participants wear the Q-Collar to sessions where they do not wear the device to see if the Q-Collar improves brain blood flow during both rest and exercise.

Participants will:

* Complete two study visits, each 1 to 4 weeks apart. * Perform a series of tasks, including standing tests, breathing tests, and exercise on a stationary bike, while their heart rate, brain blood flow, and other body functions are monitored. * Wear the Q-Collar during one of the sessions and not wear it during the other session. The order of the sessions will be randomly assigned.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

healthy individuals between the ages of 18 to 30 years old

Disqualifiers

History of concussion or other brain injury resulting in loss or alteration in consciousness or other change in cognition within 24 months of study visit

High cardiac risk according to the American College of Sports Medicine (ACSM)11

Ongoing active treatment with a cardioactive drug

Inability to stand from a seated position unassisted

Trial design

Design model

Single group

Treatments tested in this trial

  • Q30 Q-Collar

    Device

    Participants will complete a series of tests (sit-to-stand, resistive breathing, and graded bike test) while wearing a Q-Collar.

  • Not wearing Q-Collar

    Other intervention

    Participants will undergo the same study procedures without wearing the Q-Collar.

Treatment groups

20 Participants
are divided into 2 treatment groups
Group A: Cerebrovascular Control with Q-CollarExperimental treatment 1 intervention
Group B: Cerebrovascular Control without Q-CollarPlacebo comparator 1 intervention

Trial outcomes

Primary outcomes

1

Sit-to-Stand Test: Autoregulatory Slope

The slope of the autoregulatory curve, representing the change in cerebral blood flow in response to rapid shifts in blood pressure during the sit-to-stand transition.

Time frame
2 study visits within a 4 week time frame
2

Resistance Breathing Test: Autoregulatory Gain

The autoregulatory gain, which reflects the brain's ability to maintain stable cerebral blood flow during sinusoidal fluctuations in blood pressure induced by resistance breathing.

Time frame
2 study visits within a 4 week time frame
3

Graded Bike Test: Change in Cerebral Blood Flow

The change in cerebral blood flow velocity (CBFV) during the graded exercise test, assessed by Transcranial Doppler ultrasonography, indicating how cerebral blood flow responds to increasing physical exertion.

Time frame
2 study visits within a 4 week time frame

Secondary outcomes

Other outcomes

Sponsors and contacts

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